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Severe Thunderstorm Watch 158
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WW0158 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 158
   NWS STORM PREDICTION CENTER NORMAN OK
   1135 PM CDT THU APR 16 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          PARTS OF NORTH CENTRAL AND SOUTHWEST TEXAS
   
   EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1135 PM
   UNTIL 600 AM CDT.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
   STATUTE MILES EAST AND WEST OF A LINE FROM 80 MILES NORTH
   NORTHEAST OF ABILENE TEXAS TO 20 MILES SOUTHEAST OF DEL RIO
   TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
   WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
   
   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
   AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
   THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
   AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 157...
   
   DISCUSSION...EVENING SEVERE STORMS OVER SWRN TX EXPECTED TO CONTINUE
   EWD AND DEVELOP INTO MORE OF A LINEAR MODE.  WITH STRONG SHEAR AND
   MDT INSTABILITY/MOISTURE STILL AVAILABLE...ISOLATED SUPERCELLS STILL
   A POSSIBILITY.  HOWEVER PRIMARY THREAT EXPECTED TO BE DAMAGING WINDS
   AND HAIL AS CONVECTIVE INHIBITION GRADUALLY REDUCES THREAT OF
   SURFACE BASED STORMS AND TORNADO POTENTIAL.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 25030.
   
   
   ...HALES
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